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(11)

EP 2 912 503 A1

(12)

(43) Date of publication: 02.09.2015 Bulletin 2015/36 (21) Application number: 13789115.6 (22) Date of filing: 24.10.2013

(51) International Patent Classification (IPC):  G02B 5/18(2006.01) H04N 5/74(2006.01) G02B 27/01(2006.01) (86) International application number: PCT/US2013/066650 (87) International publication number: WO 2014/066662 (01.05.2014 Gazette 2014/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 26.10.2012 US 201213662251 (71) Applicant: Qualcomm Incorporated San Diego, CA 92121-1714 (US)

(72) Inventors: MA, Jian J. San Diego, California 92121-1714 (US) HONG, John H. San Diego, California 92121-1714 (US) CHANG, Tallis Y. San Diego, California 92121-1714 (US) LEE, Chong U. San Diego, California 92121-1714 (US) DALEY, Robert Sean San Diego, California 92121 (US) KIM, Frederick D. San Diego, California 92121-1714 (US) (74) Representative: Klang, Alexander H.  Wagner & Geyer Gewürzmühlstrasse 5 80538 München 80538 München (DE)